Amazon gtx 1070 laptop for 500$, scam?

" it is used. and ship from amazon.
msrp is useless. new is $890 older model

http://store.hp.com/us/en/pdp/hp-envy-laptop-13t-touch-...:
new with 8th cpu $850 "
669$ for i7 7th gen yes vs i7 8th gen, but the 7th gen has a 4k screen vs 8th gen fhd